Skip to main content
This genus is accepted, and its native range is Tropical America, Tropical Africa, Madagascar.
A specimen from Kew's Herbarium

[FTEA]

Dryopteridaceae, JP Roux, M Shaffer-Fehre, B Verdcourt. Flora of Tropical East Africa. 2007

Vegetative Multiplication Rhizomes
Rhizome long-creeping, slender, with narrow Tectaria-like scales, not clathrate
Morphology Leaves Leaf lamina
Lamina of mature plants either deltoid-pentagonal or somewhat elongate.
Morphology Leaves Pinnae
In almost all cases basal pinnae fully pinnate, their basal basiscopic pinnules in some species bearing leaflets of the fourth order.
Morphology Leaves
Ultimate leaflets almost always asymmetric at their bases, basiscopic base narrowly cuneate; venation in most species free, in a few species anastomosing but not forming regular, narrow costal areoles, free veins absent from areoles; cylindric glands, of the kind universal in Ctenitis, absent Fronds spaced; vascular structure of rhizome and stipes as in Tectaria
Morphology Reproductive morphology Sori
Sori usually round; indusia reniform, in some species very small or absent; spores bearing thin, translucent wings; base chromosome number n=41.
Note
20 species in the tropics of Africa and America.

Native to:

Angola, Bolivia, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Cameroon, Central African Repu, Colombia, Congo, Costa Rica, Dominican Republic, Ecuador, Equatorial Guinea, French Guiana, Gabon, Ghana, Guinea, Gulf of Guinea Is., Guyana, Haiti, Ivory Coast, Leeward Is., Liberia, Madagascar, Nicaragua, Nigeria, Panamá, Peru, Senegal, Sierra Leone, Suriname, Tanzania, Togo, Trinidad-Tobago, Uganda, Venezuela, Windward Is., Zaïre

Triplophyllum Holttum appears in other Kew resources:

First published in Kew Bull. 41: 239 (1986)

Accepted by

  • Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Literature

Flora of Tropical East Africa

  • Dryopteris subgen. Ctenitis, group of D. protensa (Sw.) C.Chr., Monogr. Dryopteris, pt. II: 91 (1920)
  • K.B. 41(2): 239 (1986)
  • Mém. I.F.A.N. 28: 129 (1953) pro parte; sensu Alston, Ferns W.T.A.: 70 (1959) pro parte

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0